Classification
700 - The arts; fine & decorative arts
437
333 - Economics of land & energy
359
363 - Other social problems & services
349
600 - Technology
305
330 - Economics
250
000 - Computer science, information & general works
249
900 - History & geography
238
620 - Engineering & allied operations
217
320 - Political science
211
380 - Commerce, communications & transportation
162
610 - Medicine & health
152
140 - Specific philosophical schools
145
551 - Geology, hydrology & meteorology
116
720 - Architecture
101
370 - Education
97
300 - Social sciences
75
100 - Philosophy & psychology
72
580 - Plants (Botany)
69
630 - Agriculture & related technologies
68
576 - Genetics & evolution
58
500 - Natural sciences & mathematics
56
658 - General management
55
340 - Law
51
581 - Specific topics in natural history
42
400 - Language
36
301 - Sociology & anthropology
34
800 - Literature & rhetoric
29
200 - Religion
22
414 - Phonology & phonetics
22
540 - Chemistry & allied sciences
22
170 - Ethics
20
530 - Physics
20
304 - Factors affecting social behavior
19
410 - Linguistics
19
657 - Accounting
13
361 - Social problems & social welfare in general
12
780 - Music
9
770 - Photography, photographs & computer art
8
550 - Earth sciences
6
612 - Human physiology
6
120 - Epistemology, causation & humankind
5
350 - Public administration & military science
5
360 - Social problems & services; associations
4
297 - Islam, Babism & Bahai Faith
3
364 - Criminology
3
615 - Pharmacology & therapeutics
3
650 - Management & auxiliary services
3
160 - Logic
2
336 - Public finance
1
520 - Astronomy & allied sciences
1
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